Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1973-10-29
1976-05-11
Curtis, Allen B.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291914, 63 2, B32B 1500, A44C 2500
Patent
active
039559343
ABSTRACT:
A semimanufactured product for use in jewelry comprises a support band made of metal, on one face of which there is secured, by welding, at least one decorating band, also made of metal, provided with apertures.
The surface of the support band and the surface of the decorating band present a different outer appearance, due either to different coloring, or to different design (obtained by machining or etching), or both, so that an optical contrast is obtained. The apertures may be filled with complementary shaped pieces of metal, which also present a different outer appearance. The total thickness of the assembled and secured support band and decorating band (or bands) corresponds to the thickness of use of the semimanufactured product, and is comprised between 0.15 mm and 5.00 mm.
REFERENCES:
patent: 219008 (1879-08-01), Obrig
patent: 268469 (1882-12-01), Edge
patent: 281928 (1883-07-01), Rothschild
patent: 426059 (1890-04-01), Planchamp
patent: 711661 (1902-10-01), Henderson
patent: 734066 (1903-07-01), Heintz
patent: 1125423 (1915-01-01), Wiley
patent: 2747259 (1956-05-01), Brioux
patent: 2811203 (1957-10-01), Garbarino
patent: 3063137 (1962-11-01), Leach
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